CVE-2026-56298 in Capgo
Summary
by MITRE • 07/08/2026
Capgo before 12.128.2 fails to strip EXIF metadata from images uploaded via the app information endpoint, exposing sensitive geolocation data. Attackers can upload images containing EXIF metadata to extract geographic location information and other embedded metadata from uploaded files.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 07/08/2026
The vulnerability in Capgo versions prior to 12.128.2 represents a critical security flaw that undermines the privacy and data protection mechanisms within the application's file handling processes. This issue specifically affects the app information endpoint where users can upload images, creating an attack vector that allows malicious actors to exploit the absence of proper metadata sanitization. The vulnerability stems from insufficient input validation and processing of image files, particularly concerning the removal of embedded EXIF data that contains sensitive geographic coordinates and other potentially compromising information.
The technical implementation flaw lies in the application's failure to properly sanitize uploaded images through comprehensive metadata stripping procedures. When users upload images via the app information endpoint, the system does not perform adequate filtering to remove EXIF headers that contain location data, camera settings, timestamps, and other embedded information. This oversight creates a persistent security risk where attackers can manipulate the upload process to include maliciously crafted images with embedded geolocation data, effectively bypassing the application's intended privacy controls.
This vulnerability has significant operational impact on both individual users and organizations utilizing Capgo services. The exposure of geolocation data through EXIF metadata can lead to privacy violations, location-based tracking, and potential physical security risks for users who may not expect their geographic coordinates to be accessible through routine application usage. The attack surface extends beyond simple location disclosure, as EXIF data often includes camera model information, software versions, and timestamp details that can be used for fingerprinting and further targeting attacks. This represents a direct violation of privacy principles and can result in regulatory compliance issues under various data protection frameworks.
The security implications align with CWE-1240 which addresses the improper handling of metadata in file uploads, and can be mapped to ATT&CK technique T1566.001 related to spearphishing attachments that contain malicious embedded content. Organizations using Capgo should immediately implement mitigation strategies including mandatory image sanitization processes that strip all EXIF metadata before file storage, implementation of automated security scanning for uploaded content, and regular security audits of file handling procedures. The recommended approach involves deploying comprehensive metadata filtering libraries or services that can automatically process all uploaded images through sanitization routines to ensure no sensitive data remains embedded in the stored files.
Security teams should prioritize updating to Capgo 12.128.2 or later versions where proper EXIF metadata stripping has been implemented and tested. Additionally, organizations should consider implementing network-based monitoring for unusual file upload patterns that might indicate attempts to exploit this vulnerability, while also establishing clear policies around image content verification and user education regarding the risks of uploading files with embedded metadata. The vulnerability demonstrates the importance of defense-in-depth strategies where multiple layers of security controls work together to protect against various attack vectors including those that leverage seemingly innocuous file upload functionalities.